Some Open Problems in Algebraic Combinatorics

Last modified: June 1, 2006

NOTE: This is not a well-maintained web page. I have recently deleted some of the problems, some because they were solved, others because they were stupid.

Below, I list some of my favourite unsolved problems. But first, a few warnings. Many of these problems have been posed by other people. I will try to give proper attributions, but I am likely to miss someone's name eventually. Many of the problems I know of were posed by Chris Godsil. Secondly, the problems are all confined to areas in which I work. That is, the list is rather narrow in scope and may not seem thematic.

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